Formed in 1977, the Seattle Mariners have obtained no World Series titles or AL Pennants so far in its history. The Seattle Mariners battle in Safeco Field, which lies in Seattle, Washington. Superstars such as Ken Griffey Sr., Ken Griffey Jr., and Edgar Martinez have competed for the Seattle Mariners. This year, the team will show off players like Ichiro, Jesus Montero, Dustin Ackley, and Felix Hernandez. The Seattle Mariners are often labelled the M's. The Seattle Mariners participate in the American League West division. Their biggest rivals are in their division, such as the Oakland Athletics and the Angels. The Seattle Mariners wear the colors navy, northwest green, metallic silver, and white.